Home / 386,903,002.14-533,926,176.57-210,690,944.82

Finding the Fourth Proportional to 386,903,002.14, 533,926,176.57 and 210,690,944.82

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Solution

The fourth proportional to 386,903,002.14, 533,926,176.57 and 210,690,944.82 is: 290,753,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,903,002.14 : 533,926,176.57 = 210,690,944.82 : x
  2. Step 2: Convert to fraction form
    386,903,002.14/533,926,176.57 = 210,690,944.82/x
  3. Step 3: Cross multiply
    386,903,002.14x = 533,926,176.57 × 210,690,944.82
  4. Step 4: Simplify right side
    386,903,002.14x = 112,493,410,605,663,440
  5. Step 5: Solve for x
    x = 112,493,410,605,663,440/386,903,002.14
  6. Step 6: Final answer
    x = 290,753,522.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.